Entry 1 sense Webster, 1913 Mammon /(măm"mŭn)/ · Mam·mon · IPA /ˈmæmən/ 01 n. Riches; wealth; the god of riches; riches, personified. 1. Riches; wealth; the god of riches; riches, personified. “Ye can not serve God and Mammon.” — Matt. vi. 24.